Fix segfault on ppc when browsing tree

3 files changed, 3 insertions, 3 deletions

diff --git a/ui-blob.c b/ui-blob.c
index 2ccd31d..89330ce 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -45,17 +45,17 @@ void cgit_print_blob(const char *hex, char *path, const char *head)
         }
 
         type = sha1_object_info(sha1, &size);
 
         if((!hex) && type == OBJ_COMMIT && path) {
                 commit = lookup_commit_reference(sha1);
                 match_path = path;
                 matched_sha1 = sha1;
-                read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
+                read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
                 type = sha1_object_info(sha1,&size);
         }
 
         if (type == OBJ_BAD) {
                 cgit_print_error(fmt("Bad object name: %s", hex));
                 return;
         }
 
diff --git a/ui-plain.c b/ui-plain.c
index a4ce077..66cb19c 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -83,12 +83,12 @@ void cgit_print_plain(struct cgit_context *ctx)
                 return;
         }
         commit = lookup_commit_reference(sha1);
         if (!commit || parse_commit(commit)) {
                 html_status(404, "Not found", 0);
                 return;
         }
         match_path = ctx->qry.path;
-        read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
+        read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
         if (!match)
                 html_status(404, "Not found", 0);
 }
diff --git a/ui-tree.c b/ui-tree.c
index f53ab64..a164767 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -275,11 +275,11 @@ void cgit_print_tree(const char *rev, char *path)
         html("'>root</a>");
 
         if (path == NULL) {
                 ls_tree(commit->tree->object.sha1, NULL);
                 return;
         }
 
         match_path = path;
-        read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
+        read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
         ls_tail();
 }